或者：

Computers are not useful tools for small children (Lightenor, “Too Soon” 38), though he has acknowledged that …… skill development (Lightenor, “Hand-Eye Development” 17). 或者：

Lighternor has argued that …… children, though he has acknowledged that…… skill development (“Too Soon” 38 and “Hand-Eye Development” 17).

(9)同时引用不同作者的多篇文献

括号夹注可以包括不同作者的多篇文献，文献按作者姓氏的字母顺序排列

（注意分号的使用），如：

The dangers of mountain lions……documented (Rychnovsky 40; Seidensticker 114; Williams 30). (10)引用非直接文献

论文应尽可能避免使用非直接文献（即二级文献secondary source），但在无

法找到直接文献（即一级文献primary source）的情况下，引文可以从非直接文献中析出，例如：

Grayson (qtd. in Murzynski and Degelman 450) identified four components of body language that were related to judgments of vulnerability. （注意：“qtd. in”中的字母不得大写）